diff --git a/pkgs/applications/window-managers/spectrwm/default.nix b/pkgs/applications/window-managers/spectrwm/default.nix
index 39825e37f30..1a3c976f77d 100644
--- a/pkgs/applications/window-managers/spectrwm/default.nix
+++ b/pkgs/applications/window-managers/spectrwm/default.nix
@@ -36,7 +36,10 @@ stdenv.mkDerivation rec {
     xcbutilwm
   ];
 
-  sourceRoot = "spectrwm-SPECTRWM_2_7_2/linux";
+  sourceRoot = let
+    subdir = if stdenv.isDarwin then "osx" else "linux";
+  in "spectrwm-SPECTRWM_2_7_2/${subdir}";
+
   makeFlags="PREFIX=$(out)";
   installPhase = "PREFIX=$out make install";